Diffusion heat treated thermally sprayed coatings
CA 2304933 A1 · Owner: Alon, Inc. · Inventors: Bayer, George T.; Wynns, Kim A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of aluminum diffusion coating the surface of an ironnickel-, cobalt-, or titanium-base alloy product begins with cleaning and providing an anchor profile on the surface of the product followed by, depositing with an appropriate thermal spray method at least 4 mils (0.1016 millimeters) thickness of a minimum 85 wt.% aluminum alloy which can also, contain up to 12 wt.% silicon. A MCrAIX -type coating layer may also be thermally sprayed on the substrate surface before the aluminum alloy is sprayed. The thermal sprayed products are heat treated in a sealed retort at a temperature of between 900° F and 1200° F (482° C and 649° C) and then, maintained at that temperature for a period of …
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed April 10, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 10, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 10, 2022.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.